Establishing an index system and scaling the weight of every index reasonably is an effective way to evaluate the investment estimation of the land-developing railway, which have an obvious external.
构建指标体系，合理确定各指标的权重系数，是量化评价外部性显著的国土开发型铁路的可行思路之一。
Establishing an index system and scaling the weight of every index reasonably is an effective way to evaluate the investment estimation of the land-developing railway, which have an obvious external.
构建指标体系，合理确定各指标的权重系数，是量化评价外部性显著的国土开发型铁路的可行思路之一。
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